EP2896858B1 - Actionneur de commande de soupape - Google Patents

Actionneur de commande de soupape Download PDF

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Publication number
EP2896858B1
EP2896858B1 EP14151581.7A EP14151581A EP2896858B1 EP 2896858 B1 EP2896858 B1 EP 2896858B1 EP 14151581 A EP14151581 A EP 14151581A EP 2896858 B1 EP2896858 B1 EP 2896858B1
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EP
European Patent Office
Prior art keywords
valve
shaft
valve control
connector
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14151581.7A
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German (de)
English (en)
Other versions
EP2896858A1 (fr
Inventor
Martin Kårhammer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ESBE AB
Original Assignee
ESBE AB
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Filing date
Publication date
Application filed by ESBE AB filed Critical ESBE AB
Priority to EP14151581.7A priority Critical patent/EP2896858B1/fr
Priority to SI201430257T priority patent/SI2896858T1/sl
Priority to RU2015101258A priority patent/RU2015101258A/ru
Publication of EP2896858A1 publication Critical patent/EP2896858A1/fr
Application granted granted Critical
Publication of EP2896858B1 publication Critical patent/EP2896858B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
    • F16K31/055—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation for rotating valves

Definitions

  • the present invention relates to a valve control actuator for a fluid control valve, the valve control actuator comprising a valve shaft connector arranged for connecting the valve control actuator to a valve control shaft of the fluid control valve and turning the valve control shaft.
  • the present invention also relates to a method of connecting such a valve control actuator to a fluid control valve.
  • a valve control actuator may be used in combination with a fluid control valve in a domestic heating and/or cooling system.
  • US 2012/0211688 A1 discloses a valve actuator assembly comprising a valve actuator and a valve having a mounting adapter.
  • a spring element is secured to a housing of the actuator and arranged to lock the actuator to the mounting adapter of the valve.
  • a drawback of this actuator is that it may be regarded as complicated to connect the actuator to a valve.
  • US 4 805 870 shows a solenoid operated valve comprising a housing.
  • the housing is received on an enclosure tube which has an open end and a closed end.
  • the closed end of the enclosure tube extends out beyond the outer face of the housing.
  • the closed end of the enclosure tube is provided with a groove being spaced outwardly beyond the outer face of the housing.
  • a spring clip is carried on the outer face of the housing so as to cooperate with the groove on the enclosure tube to secure the housing relative to the enclosure tube.
  • US 2003/0030337 A1 shows an electric actuator that is attachable to and detachable from a rotary valve.
  • the valve has a valve stem that is connected to a drive shaft of the actuator.
  • the actuator comprises a stopper pin mechanism that prevents the valve and the actuator from being moved relative each other in an axial direction.
  • the stopper pin mechanism comprises a spring-biased stopper pin that is arranged to cooperate with a gear tube of the valve.
  • valve control actuator for a fluid control valve
  • the valve control actuator comprising a valve shaft connector arranged for connecting the valve control actuator to a valve control shaft of the fluid control valve and turning the valve control shaft
  • the valve shaft connector comprises a connector shaft having an axial opening adapted to receive at least a portion of the valve control shaft, and a resilient locking member extending through at least a portion of said axial opening and arranged to co-operate with a retaining shoulder of said valve control shaft for axial locking of the connector shaft to the valve control shaft.
  • valve control actuator may be connected to a fluid control valve simply by pressing the valve control shaft into the connector shaft until the resilient locking member engages a shoulder of the valve control shaft and axially locks the valve control shaft to the connector shaft of the valve control actuator.
  • the valve control actuator may be connected to a valve control shaft in a very quick and easy manner without using tools.
  • the valve to which the valve control actuator is intended to be connected to do not need to have a separate mounting adapter since the actuator is connected directly to the valve control shaft of the valve.
  • a valve control actuator having few parts and that allows quick and easy connection to a valve control shaft may be provided.
  • the valve control actuator may also enable easy disconnection of the valve control actuator from a fluid control valve.
  • the connector shaft comprises a radial opening in which a portion of the resilient locking member is received in order to enable the resilient locking member to be secured to the connector shaft in a robust manner.
  • the resilient locking member is a wire spring. This embodiment has the advantage that a very simple and cost-efficient solution may be provided.
  • the wire spring has circular cross-section in order to facilitate locking of the connector shaft to the valve control shaft.
  • the resilient locking member partly surrounds the connector shaft in order to enable the resilient locking member to be secured to the connector shaft in an easy manner.
  • the resilient locking member is ring-shaped.
  • valve control actuator comprises a stopper device arranged to co-operate with a portion of the fluid control valve for preventing relative rotation between a housing of the valve control actuator and a housing of the fluid control valve.
  • valve control actuator and fluid control valve combination comprising a valve control actuator according to the present disclosure and a fluid control valve having a valve control shaft provided with a retaining shoulder which is configured to co-operate with the resilient locking member of the valve shaft connector for axial locking of the valve control shaft to the connector shaft.
  • valve control actuator and fluid control valve combination having few parts and that allows quick and easy connection of the valve control actuator to the fluid control valve may be provided. Furthermore, the combination may also enable easy disconnection of the valve control actuator from the fluid control valve.
  • valve control shaft comprises a first guiding surface arranged to guide the resilient locking member towards the retaining shoulder upon connection of the valve control shaft to the connector shaft.
  • valve control shaft comprises a second guiding surface arranged to guide the resilient locking member away from the retaining shoulder upon disconnection of the valve control shaft from the connector shaft.
  • valve control shaft comprises a radial groove configured to receive at least a portion of the resilient locking member.
  • the radial groove comprises an oblique or curved side wall. This embodiment has the advantage that the actuator may be disconnected simply by pulling the valve control shaft out of the axial opening of the connector shaft.
  • the radial groove comprises a straight side wall.
  • valve control actuator comprises a connector shaft and a resilient locking member extending through at least a portion of an axial opening of the connector shaft and arranged to co-operate with the retaining shoulder of the valve control shaft for axial locking of the connector shaft to the valve control shaft
  • the method comprises pressing the valve control shaft into the axial opening of the connector shaft until the resilient locking member engages the retaining shoulder of the valve control shaft, thereby axially locking the valve control shaft to the connector shaft.
  • Fig. 1 shows a valve control actuator 1 according to an embodiment of the present disclosure.
  • the valve control actuator 1 is intended to be connected to a fluid control valve 3, as illustrated by the arrow A in Fig. 1 .
  • the valve control actuator 1 comprises a valve shaft connector 5 which is arranged for connecting the valve control actuator 1 to a rotatable valve control shaft 7 of the fluid control valve 3.
  • the valve shaft connector 5 comprises a connector shaft 9 having an axial opening 11 configured to receive the valve control shaft 7. At least a portion of the axial opening 11 is non-circular and configured to receive a mating torque transmitting shaft end 7a of the valve control shaft 7.
  • An inner wall 12 ( Fig. 4 ) of the partly hollow connector shaft 9 is thus configured to mate with the torque transmitting valve shaft end 7a of the valve control shaft 7.
  • the valve shaft connector 5 further comprises a resilient locking member 13, in the form of a ring-shaped wire spring, extending through a portion of the axial opening 11.
  • the resilient locking member 13 is arranged at a first end 9a of the connector shaft 9 and to co-operate with a retaining shoulder 15 of the valve control shaft 7 for axial locking of the connector shaft 9 to the valve control shaft 7.
  • the valve control actuator 1 further comprises a stopper device 17 for preventing relative rotation between a housing 19 of the valve control actuator 1 and a housing 27 of the fluid control valve 3 to which the actuator 1 is connected.
  • the stopper device 17 is arranged to co-operate with a portion of the fluid control valve 3.
  • the stopper device 17 may, for example, be arranged to co-operate with a portion of the valve housing 27 or with a separate part 25, such as a valve head, secured to the valve housing.
  • the stopper device 17 comprises four hollow protrusions 21, each of which is configured to receive a projecting stud 23 of a plastic valve head 25 form-fittingly secured to the valve housing 27.
  • valve control actuator 1 as such is preferably electrically operated and intended to be connected in known manner to, for example, a temperature sensor, which regulates, with the aid of the actuator, the setting and rotating position of the rotatable valve shaft 7.
  • the fluid control valve 3 comprises a valve housing 27 with multiple valve ports, of which two 29, 31 are visible in Fig. 1 , the rotatable valve control shaft 7, a rotor (not shown) and the plastic valve head 25 from which projects the valve control shaft 7.
  • the plastic valve head 25 is form-fittingly secured against rotation to the valve housing 27.
  • the rotor which is configured for controlling fluid flow through the fluid control valve 3, is secured to the rotatable valve control shaft 7 and rotatably seated in a valve chamber of the valve housing 27 in a known manner.
  • the plastic valve head 25 comprises four projecting studs 23, which are evenly spaced about the valve control shaft 7. Each of the projecting studs 23 is configured to be received in and co-operate with a corresponding one of the hollow protrusions 21 of the stopper device 17 of the valve control actuator 1.
  • the outer end 7a of the valve control shaft 7 has connecting surfaces 33, 35 arranged to co-operate in non-rotatable manner with the connector shaft 9, which through a second end 9b is arranged to co-operate in non-rotatable manner with an operating shaft (not shown) of the valve control actuator 1.
  • the outer end 7a of the valve control shaft 7 has non-circular cross-section and mates with the axial opening 11 of the connector shaft 9 to enable torque transfer between the connector shaft 9 and the valve control shaft 7.
  • the torque transmitting portion of the valve control shaft 7, i.e. the outer end 7a has D-shaped cross-section. This shape has the advantage that assembling errors can be avoided since the valve shaft 7 can be connected to the shaft connector 9 only in one way.
  • the connecting surfaces 33, 35 of the outer valve shaft end 7a comprise a surface portion 37 which is chamfered towards the end of the valve shaft 7 and which forms a first guiding surface for guiding a portion 13a of the resilient locking member 13 towards the retaining shoulder 15 upon connection of the valve control actuator 1 to the valve control shaft 7 of the fluid control valve 3.
  • the resilient locking member 13 of the shaft connector 5 extends through a portion of the axial opening 11 of the connector shaft 5, as best illustrated in Fig. 4 .
  • a first portion 13a of the resilient locking member 13 is received in a radial opening 39 of the connector shaft 9, as best illustrated in Fig. 3 .
  • a second portion 13b and a third portion 13c of the resilient locking member 13 surround the connector shaft 9.
  • the first locking member portion 13a is arranged to co-operate with a retaining shoulder 15 of the valve control shaft 7 to which the actuator 1 is connected for axial locking of the connector shaft 9 to the valve control shaft 7.
  • the resilient locking member 13 is constituted by a wire spring with circular cross-section. The circular cross-section facilitates connection and disconnection of the valve control actuator 1.
  • the axial opening 11 is arranged to co-operate by form fit in non-rotatable manner with the connecting surfaces 33, 35 of the outer end 7a of the valve control shaft 7.
  • An inner wall 12 of the partly hollow connector shaft 9 is thus configured to mate with the torque transmitting valve shaft end 7a.
  • the inner wall 12 of the connector shaft 9 comprises connecting surfaces 41, 43 ( Fig. 4 ), that mate with the connecting surfaces 33, 35 ( Fig. 1 ) of the valve control shaft 7, as illustrated in Fig. 5c .
  • the axial opening 11 is thus partly D-shaped to mate with the portion of the valve control shaft end 7a having D-shaped cross-section.
  • the axial opening may have another non-circular shape, such as, for example, a rectangular or triangular shape, configured to receive a mating torque transmitting end of a valve control shaft.
  • valve control actuator 1 With reference to Figs. 5a-c connection of the valve control actuator 1 to the valve shaft 7 of the fluid control valve 3 will be described hereinafter.
  • the valve control shaft 7 Upon connection of the valve control actuator 1 to the valve shaft 7 of the fluid control valve 3 the valve control shaft 7 is pressed into the axial opening 11 of the connector shaft 9, as illustrated by the arrow B in Fig. 5a .
  • the valve control shaft 7 is pressed into the axial opening 11 until the first portion 13a of the resilient locking member 13 engages the shoulder 15 of the valve control shaft 7.
  • Fig. 5c illustrates the shaft connector 5 in a locked state in which the connector shaft 9 is axially locked to the valve control shaft 7 by the resilient locking member 13.
  • the retaining shoulder 15 is partly formed by a radial groove 45 formed in the valve control shaft 7.
  • the radial groove 45 comprises a shoulder surface 47, in this case in the form of an oblique surface, which form a part of the retaining shoulder 15.
  • the shoulder surface 47 facilitates disconnection of the valve control actuator 1 from the valve control shaft 7.
  • the second guiding surface 47 not only prevents releasing of the valve control actuator 1 when connected to the valve 3, but also enables the valve control actuator 1 to be disconnected from the valve shaft 7 in an easy manner by pulling the valve shaft 7 out of the axial opening 11.
  • the second guiding surface 47 guides the first locking member portion 13a and forces the resilient locking member 13 to expand radially, thereby enabling disconnection of the connector shaft 9 from the valve control shaft 7.
  • the force required to disconnect the actuator 1 from the valve control shaft 7 by pulling the valve control shaft 7 out of the axial opening 11 of the connector shaft 9 is determined by the shape of the second guiding surface 47.
  • the second guiding surface 47 may be adapted to disconnection of the actuator 1 from the valve 3 at a predetermined pulling force.
  • a portion of the retaining shoulder 15 forms a part of a radial groove formed in the valve control shaft 7 and comprising a straight side wall instead of an oblique side wall. In this embodiment disconnection of the actuator 1 only by pulling the valve control shaft 7 is prevented by the straight side wall.
  • a method of connecting a valve control actuator 1 of the present disclosure to a fluid control valve 3 thus comprises pressing a valve control shaft 7 of the fluid control valve 3 into the axial opening 11 of the connector shaft 9 until the resilient locking member 13 engages a shoulder 15 of the valve control shaft 7, thereby axially locking the connector shaft to 9 the valve shaft 7.
  • valve control shaft 7 has a groove 45 forming a part of the retaining shoulder 15. It is appreciated that a retaining shoulder instead may be formed by a projecting portion, such as e.g. a flange, of the valve shaft.
  • the layout of the fluid control valve 3 described above can be varied in different ways.
  • the number of ports of a fluid control valve can be three, as described hereinbefore with reference to Fig. 1 , or two or exceed the number of three.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Valve Housings (AREA)
  • Mechanically-Actuated Valves (AREA)

Claims (12)

  1. Actionneur de commande de soupape pour une soupape de régulation de fluide (3), l'actionneur de commande de soupape comprenant un connecteur d'arbre de soupape (5) agencé pour connecter l'actionneur de commande de soupape (1) à un arbre de commande de soupape (7) de la soupape de régulation de fluide (3) et tourner l'arbre de commande de soupape (7),
    le connecteur d'arbre de soupape (5) comprenant :
    un arbre de liaison (9) présentant une ouverture axiale (11) adaptée pour recevoir au moins une partie (7a) de l'arbre de commande de soupape (7), et
    un élément de verrouillage résilient (13),
    caractérisé en ce que
    l'élément de verrouillage résilient s'étend à travers au moins une partie de ladite ouverture axiale (11) et est agencé pour coopérer avec un épaulement de retenue (15) de ledit arbre de commande de soupape (7) pour un verrouillage axial de l'arbre de liaison (9) sur l'arbre de commande de soupape (7).
  2. Actionneur de commande de soupape selon la revendication 1, dans lequel l'arbre de liaison (9) comprend une ouverture radiale (39) dans laquelle une première partie (13a) de l'élément de verrouillage résilient (13) est reçue.
  3. Actionneur de commande de soupape selon l'une quelconque des revendications précédentes, dans lequel l'élément de verrouillage résilient (13) est un ressort à câble.
  4. Actionneur de commande de soupape selon la revendication 3, dans lequel le ressort à câble (13) a une section circulaire.
  5. Actionneur de commande de soupape selon l'une quelconque des revendications précédentes, dans lequel l'élément de verrouillage résilient (13b, 13c) entoure partiellement l'arbre de liaison (9).
  6. Actionneur de commande de soupape selon l'une quelconque des revendications précédentes, dans lequel l'élément de verrouillage résilient (13) a une forme annulaire.
  7. Actionneur de commande de soupape selon l'une quelconque des revendications précédentes, dans lequel l'actionneur de commande de soupape (1) comprend un dispositif de butée (17, 21) agencé pour coopérer avec une partie (23) de la soupape de régulation de fluide (3) pour éviter la rotation relative entre un logement (19) de l'actionneur de commande de soupape (1) et un logement (27) de la soupape de régulation de fluide (3).
  8. Combinaison d'un actionneur de commande de soupape et d'une soupape de régulation de fluide comprenant un actionneur de commande de soupape (1) selon l'une quelconque des revendications précédentes et une soupape de régulation de fluide (3) présentant un arbre de commande de soupape (7) dotée d'un épaulement de retenue (15) qui est configuré pour coopérer avec l'élément de verrouillage résilient (13) du connecteur d'arbre de soupape (5) pour le verrouillage axial de l'arbre de commande de soupape (7) sur l'arbre de liaison (9).
  9. Combinaison d'un actionneur de commande de soupape et d'une soupape de régulation de fluide selon la revendication 8, dans laquelle l'arbre de commande de soupape (7) comprend une première surface de guidage (35) agencée pour guider l'élément de verrouillage résilient (13) en direction de l'épaulement de retenue (15) lors de la connexion de l'arbre de commande de soupape (7) sur l'arbre de liaison (9).
  10. Combinaison d'un actionneur de commande de soupape et d'une soupape de réculation de fluide selon l'une quelconque des revendications 8-9, dans laquelle l'arbre de commande de soupape (7) comprend une deuxième surface de guidage (47) agencée pour guider l'élément de verrouillage résilient (13) à distance de l'épaulement de retenue (15) lors de la déconnexion de l'arbre de commande de soupape (7) de l'arbre de liaison (9).
  11. Combinaison d'un actionneur de commande de soupape et d'une soupape de régulation de fluide selon l'une quelconque des revendications 8-10, dans laquelle l'arbre de commande de soupape (7) comprend une rainure radiale (45) configurée pour recevoir au moins une partie (13a) de l'élément de verrouillage résilient (13).
  12. Procédé de connexion d'un actionneur de commande de soupape (1) à une soupape de commande de fluide (3), dans lequel
    la soupape de régulation de fluide (3) comprend un arbre de commande de soupape (7) dotée d'un épaulement de retenue (15), et
    l'actionneur de commande de soupape (1) comprend un arbre de liaison (9) et un élément de verrouillage résilient (13) s'étendant à travers au moins une partie d'une ouverture axiale (11) de l'arbre de liaison (9) et agencée pour coopérer avec l'épaulement de retenue (15) de l'arbre de commande de soupape (7) pour un verrouillage axial de l'arbre de liaison (9) sur l'arbre de commande de soupape (7),
    le procédé comprend :
    la compression de l'arbre de commande de soupape (7) dans l'ouverture axiale (11) de l'arbre de liaison (9) jusqu'à ce que l'élément de verrouillage résilient (13) engage l'épaulement de retenue (15) de l'arbre de commande de soupape (7), verrouillant ainsi axialement l'arbre de commande de soupape (7) sur l'arbre de liaison (9).
EP14151581.7A 2014-01-17 2014-01-17 Actionneur de commande de soupape Active EP2896858B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14151581.7A EP2896858B1 (fr) 2014-01-17 2014-01-17 Actionneur de commande de soupape
SI201430257T SI2896858T1 (sl) 2014-01-17 2014-01-17 Aktuator nadzora ventila
RU2015101258A RU2015101258A (ru) 2014-01-17 2015-01-16 Привод управления клапаном

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14151581.7A EP2896858B1 (fr) 2014-01-17 2014-01-17 Actionneur de commande de soupape

Publications (2)

Publication Number Publication Date
EP2896858A1 EP2896858A1 (fr) 2015-07-22
EP2896858B1 true EP2896858B1 (fr) 2017-05-03

Family

ID=49943269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14151581.7A Active EP2896858B1 (fr) 2014-01-17 2014-01-17 Actionneur de commande de soupape

Country Status (3)

Country Link
EP (1) EP2896858B1 (fr)
RU (1) RU2015101258A (fr)
SI (1) SI2896858T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022228884A1 (fr) * 2021-04-26 2022-11-03 Belimo Holding Ag Couplage de dispositif de champ à deux orientations de couplage
WO2022228886A1 (fr) * 2021-04-26 2022-11-03 Belimo Holding Ag Couplage de dispositif de champ avec des éléments de verrouillage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805870A (en) * 1983-02-03 1989-02-21 Emerson Electric Co. Coil retainer for solenoid
WO2001069113A1 (fr) * 2000-03-14 2001-09-20 Kitz Corporation Actionneur electrique et structure de fixation de cet actionneur
US8632054B2 (en) 2011-02-23 2014-01-21 Honeywell International Inc. Valve actuator assembly with tool-less interconnect

Also Published As

Publication number Publication date
RU2015101258A3 (fr) 2018-10-02
RU2015101258A (ru) 2016-08-10
EP2896858A1 (fr) 2015-07-22
SI2896858T1 (sl) 2017-09-29

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